"Introducing David Callan, in his first case after being invalided out of the special services."
Edward Woodward
as David Callan
Joseph Fürst
as Schneider
Ronald Radd
as Hunter
Peter Bowles
as Toby Meres
Russell Hunter
as Lonely
Francesca Tu
as Jenny
Ivor Dean
as Waterman
Helen Ford
as Miss Brewis
Martin Wyldeck
as DI Pollock
John Scarborough
as DS Jones
Judy Champ
as Hunter's Secretary (voice)
Bill Bain
Director
James Mitchell
Writer
